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Introduce the rider you are today to the one you’ll be tomorrow.
Improve every day with Edge® 840, the touchscreen and button-controlled cycling computer with event adaptive training1. It’s the optimal gear to prepare you for upcoming races or personal milestones.
TOUCHSCREEN OR BUTTON CONTROLS? THE CHOICE IS YOURS — THIS EDGE HAS BOTH.
GET UP TO 42 HOURS OF BATTERY LIFE ON A SINGLE CHARGE IN BATTERY SAVER MODE.
ENJOY SUPERIOR ACCURACY WITH MULTI-BAND GNSS TECHNOLOGY.
GET STAMINA INSIGHTS1 WHILE YOU RIDE
PUSH YOUR PERFORMANCE WITH DAILY SUGGESTED WORKOUTS1.
CYCLE LIKE A LOCAL WITH RIDE TYPE-SPECIFIC MAPS AND NAVIGATION.
EXTENDED BATTERY LIFE
The Edge® 840 cycling computer gets up to 26 hours of battery life in intense mode and up to 42 hours using battery saver mode.
Find your way with multi-band GNSS technology that provides enhanced positioning accuracy.
ClimbPro ascent planner
See remaining ascent and grade when climbing so you can gauge your effort with ClimbPro, now available on every ride with no course necessary.
Cycling ability and course demands
Compare your cycling ability to the demands of a specific course and focus your training in the right areas, when paired with your compatible power meter and heart rate monitor.
Manage your efforts with the power guide feature, which recommends power targets throughout a course, when paired with your compatible power meter
|Dimension||57.8 x 85.1 x 19.6 mm (2.3″ x 3.4″ x 0.8″)|
|Display Size||2.6″ (66 mm) diagonal|
|Display Resolution||246 x 322 pixels|
|Battery type||Rechargeable lithium-ion|
|Battery life||Up to 26 hours|
|Battery save mode|
|In-ride power compatible (Power Mount and Garmin Charge battery pack)|
Maps & Memory
|Ability to add maps|
|Basemap||Preloaded Garmin cycle map|
|External memory storage||32 GB|
|Navigation Routes||100 Courses|
|History||Up to 200 hours|
|Ambient light sensor|
Daily Smart Features
|Connectivity||Bluetooth®, ANT+®, Wi-Fi®|
|Connect IQ™ (downloadable watch faces, data fields, widgets and apps)|
|On-device Connect IQ™ Store|
|Text response/reject phone call with text (Android™ only)|
|Realtime settings sync with Garmin Connect™ mobile|
|Controls smartphone music|
|Smart trainer control|
|Smartphone compatibility||iPhone®, Android™|
Safety and Tracking Features
|Group Ride (Cycling)|
|Incident Detection||Yes (includes off-road)|
|Find My Edge®|
Activity Tracking Features
Training, Planning and Analysis Features
|Customizable data pages|
|Downloadable training plans|
|Daily workout suggestions||Yes (event specific)|
|Primary and secondary workout targets|
|Training status - Cycling|
|Training load - Cycling|
|Training load focus - Cycling|
|Real-time stamina - Cycling|
|Cycling ability analysis|
|Course demands analysis|
|Race an Activity|
|Unified training status|
|ClimbPro Ascent Planner - Cycling|
|ClimbPro - Courses|
|ClimbPro - Free Riding|
|Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)|
|Cycle Map (routable cycling-specific street map)||yes (multi-region)|
|Compatible with Varia™ radar (rear-facing radar)|
|Compatible with Varia Radar Camera|
|Compatible with Varia™ lights|
|Power meter compatible|
|On-device course creator|
|On-device location search|
|Trendline Popularity Routing - Cycling|
|Cycling Dynamics compatible|
|Integrated TrailForks trail data|
|eBike Smart range routing|
|ANT+™ electronic shifting|
|Shimano Di2 Synchro Shift integration|
|Extended display (allows a Garmin watch to share data screens on Edge®)|